Revenues (Tables)

9 Months Ended

Sep. 30, 2019

Revenue From Contract With Customer [Abstract]

Disaggregation of Revenues

Revenues by geographic area, based on the billing location of the customer, were as follows for the periods presented:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
United States of America	$	8,802	$	9,192	$	28,135	$	28,987
United Kingdom		1,312		1,755		4,340		5,877
Other (1)		1,614		2,206		5,177		7,942
Total revenues, net	$	11,728	$	13,153	$	37,652	$	42,806

(1) No individual country within the “Other” category accounted for 10% or more of revenues, net for any period presented.

Revenues by nature of services performed were as follows for the periods presented:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Subscriptions	$	8,696	$	12,884	$	28,548	$	41,795
Strategic agreements		3,032		269		9,104		1,011
Total revenues, net	$	11,728	$	13,153	$	37,652	$	42,806

Changes in Balances of Deferred Costs to Obtain and Fulfill Contracts

Changes in the balances of deferred costs to obtain and fulfill contracts during the nine months ended September 30, 2019 were as follows:

	Deferred Costs to Obtain Contracts			Deferred Costs to Fulfill Contracts
Balances at December 31, 2018	$	1,413		$	606
Costs deferred		342			146
Amortization		(817	)		(423	)
Balances at September 30, 2019	$	938		$	329